Here are resources you can use to help you with the research for your projects and your Public Service Announcements. There are some examples of PSAs at the bottom of this page which might help you with ideas. Each title is a link to the page described.

Granite Environmental - While not a site with lots of information, if you scroll to the bottom of the page you can find a little information about different forms of erosion. This company provides products to help reduce erosion from water.

Rivers - Here is a good site to learn about rivers and their formation.River and Stream Erosion - Here is the American Geosciences site for river and stream erosion. Simple format and easy to read with good information.